I share the full list of changes in Audacity 1.3.13 and personal experience with several of them. Ron Eastwood shared a fun special effect in Audacity.
Make ghosts with Audacity
Ron Eastwood shares a creepy special effect he enjoys, and I demonstrate it in the podcast.
I enjoyed the recent episode, as I do all of the episodes! Here’s something I like to show the Cub Scout tours of the radio station. I record someone saying a short phrase. Then I play it back. They laugh. I perform the reverse effect on it and play it back. More laughs. I add a long reverb to that sound and then reverse it again so it is forward. When I play that, I got “ooooooohs”!! It is the effect you often hear on modern movies associated with ghost voices. Lots of fun and not too hard to pull off.
Thanks for all you do!
What’s new in Audacity 1.3.13
I talk through the complete list of changes and share several specific examples. The follow list is from Audacity 1.3.13’s changelog, but the screenshots are my own.
- Bug fixes for:
- Cutting or copying from a track at a given sample rate into a track at another rate resulted in speed-changed audio.
- Generating inside a clip could modify the clip length or create spurious clips.
- Recorded stereo tracks were only half the height of imported or generated stereo tracks. Imported stereo files had a “1” appended to the track name.
- Edit > Region Save did not save the cursor position.
- (Windows) Projects crashed when clicking rapidly inside the interface or when applying repeated effects towards the end of audio tracks. [I’ve had this happen!]
- (Windows) Some Unicode characters could not be typed into labels,or caused a freeze using some input methods.
- (OS X) Crash when quitting an empty project window, or when closing the main project window while a progress dialog was on screen. [I’ve had this happen!]
- Numerous other interface fixes including Dependencies dialog, Keyboard Preferences and spurious lines drawn on waveform. [Shift-scrollwheel now works on OS X!]
- Imports and Exports:
- Support added for later versions of the optional FFmpeg library up to current FFmpeg HEAD. This should significantly improve FFmpeg support on Linux. FFmpeg downloads for Windows and Mac updated to v0.6. This fixes mono AAC files importing as stereo, though current 0.5 versions of FFmpeg will still work.
- Both FFmpeg and LAME should now be properly detected even when other versions of those libraries exist on the system.
- New warning (on by default) for importing uncompressed audio files. Better error messages when read-directly uncompressed files are missing.
- Imported ID3v2 metadata tags were removed when exporting without the Metadata Editor appearing (for example, when using an export command in Chains). Note: As a result of this fix, ID3v1 tags must now be written by exporting using (external program) and an installed LAME.
- U-Law/A-Law files with WAV headers now use the standard 18 byte fmt chunk, so should now be recognised by most telephony applications.
- Variable bit rate MP3s exported using “MP3 Files” were larger than necessary because using the bit reservoir was disabled.
- (OS X) Files imported from iTunes could create invalid characters in the .aup project file, causing an error when re-opening the project. Note: An error “reference to invalid character number” will still occur if re-opening a project created in previous Betas that contains such characters. To fix the issue, open a back-up copy of the .aup file in a text editor, turn off word wrap, then in the line indicated in the error message, remove the string of characters that starts with and ends with a semi-colon (;).
- Other bug fixes:
- Nyquist effects: fixes for crashes, incorrect slider behaviour and better support for backslashes, double quotes and Unicode characters.
- (Windows and OS X) Processing of VST effects was substantially slower than in previous versions of Audacity.
- (OS X 10.5 PPC) A first-time installation of Audacity Beta would hang on launch if VST effects were detected.
- (Linux) Recordings made with the pulse device crashed or stalled when using overdub and/or software playthrough.
- (Linux) Play-at-Speed crashed at 0.08 speed or lower if Audacity was configured with libsamplerate.
- Changes and improvements:
- Control Toolbar renamed to Transport Toolbar.
- Device Toolbar (on by default) now contains all input and output device choices, including host and recording channels. Input/output choices are no longer in Mixer Toolbar on Windows XP or some older operating systems. New Transport > Rescan Audio Devices menu item to refresh the device list. [Very helpful!]
- New “Sync-Lock Tracks” feature (turned on in the Tracks menu [Also found in the Edit Toolbar, pictured below]) to allow groups of audio and/or label tracks to retain synchronisation when the track length changes.
- Equalization: New “Manage Curves” dialog for importing and exporting curves.
- Noise Removal: New “Sensitivity” slider to adjust the noise threshold, and new option to isolate noise.
- New “Extended Import” Preferences for specifying different importers to open specific file extensions.
- Improved Automatic Crash Recovery with all project changes autosaved.
- MIDI tracks can be vertically zoomed, time shifted and display bar lines. Note: the channel selection buttons are not available in 1.3.13.
- (Windows and Linux) The window Close button and other system close or shutdown commands now quit on closing the last window. File > Close now always clears to a new, empty project.
- (OS X) Simpler installer with top-level “Audacity” folder.
Please be aware of Known Issues at Release (also viewable in the included README.txt).
PodCamp Cincinnati on October 22, 2011
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